import router from './router'
import { ElMessage } from 'element-plus'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import { getToken,removeToken } from '@/utils/auth'
import { isHttp, isPathMatch } from '@/utils/validate'
import { isRelogin } from '@/utils/request'
import useUserStore from '@/store/modules/user'
import useSettingsStore from '@/store/modules/settings'
import usePermissionStore from '@/store/modules/permission'
import { useInfoStore } from '@/store/modules/info.js'
import { useGlobalWebSocket } from '@/utils/useGlobalWebSocket.js'; // 引入自定义的 WebSocket 钩子函数



NProgress.configure({ showSpinner: false })

const whiteList = ['/login', '/register']

const isWhiteList = (path) => {
  return whiteList.some(pattern => isPathMatch(pattern, path))
}
// 定义一个标志位，用于判断路由是否已经添加
let routesAdded = false;
router.beforeEach( (to, from, next) => {
  NProgress.start()
  if (getToken()) {
    
    to.meta.title && useSettingsStore().setTitle(to.meta.title)
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else if (isWhiteList(to.path)) {
      next()
    } else {
      if (useUserStore().roles.length === 0) {
        // 判断当前用户是否已拉取完user_info信息
        useUserStore().GetCurrentUser().then((res) => { 
          // 持久化缓存
          const infoStore = useInfoStore();
          infoStore.info = res.data;
          infoStore.isLogin = true;
          isRelogin.show = false;
          if(!routesAdded){
            usePermissionStore().generateRoutes().then(accessRoutes => {
              // 没有路由信息
              if(!accessRoutes){
                infoStore.info = {};
                infoStore.isLogin = false;
                removeToken()
                ElMessage.error('当前角色还没有路由信息');
                return
              }
              // 根据roles权限生成可访问的路由表
              accessRoutes.forEach(route => {
                if (!isHttp(route.path)) {
                  router.addRoute(route) // 动态添加可访问路由表
                }
              })
              // 设置路由已添加标志位为 true
              routesAdded = true;
              next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
                // 登录成功后 && 是云电微视系统  初始化 WebSocket 连接
              const {account,systemID} =  infoStore.info;
              if(systemID==16){
                const wsUrl = `${import.meta.env.VITE_APP_WS_URL}?uno=${account}&role=${systemID}`
                const { initWebSocket } = useGlobalWebSocket(wsUrl, { });
                initWebSocket();
              }
            })
          }else{
             // 路由已经添加过，直接继续导航
            next()
          }
        }).catch(err => {
          useUserStore().logOut().then(() => {
            next({ path: '/' })
          })
        })
      } else {
        next()
      }
    }
  } else {
    // 没有token
    if (isWhiteList(to.path)) {
      // 在免登录白名单，直接进入
      next()
    } else {
      next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})
